DRG 444
Medical DRGDisorders of the Biliary Tract with MCC
What is MS-DRG 444?
MS-DRG 444 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 07 (MDC 07) with a Major Complication or Comorbidity (MCC). It maps to 72 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 1.6709 with a geometric mean length of stay of 4.3 days and an arithmetic mean of 5.7 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
FY 2026 Payment Data
Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).
Related MS-DRGs in This Severity Group
The same clinical condition is split into separate DRGs by complication severity. MCC pays more than CC, which pays more than no CC/MCC.
Linked ICD-10-CM Diagnosis Mappings
- K80.00
Calculus of gallbladder with acute cholecystitis without obstruction
BillableChapter 11 - K80.01
Calculus of gallbladder with acute cholecystitis with obstruction
BillableChapter 11 - K80.10
Calculus of gallbladder with chronic cholecystitis without obstruction
BillableChapter 11 - K80.11
Calculus of gallbladder with chronic cholecystitis with obstruction
BillableChapter 11 - K80.12
Calculus of gallbladder with acute and chronic cholecystitis without obstruction
BillableChapter 11 - K80.13
Calculus of gallbladder with acute and chronic cholecystitis with obstruction
BillableChapter 11 - K80.18
Calculus of gallbladder with other cholecystitis without obstruction
BillableChapter 11 - K80.19
Calculus of gallbladder with other cholecystitis with obstruction
BillableChapter 11 - K80.20
Calculus of gallbladder without cholecystitis without obstruction
BillableChapter 11 - K80.21
Calculus of gallbladder without cholecystitis with obstruction
BillableChapter 11 - K80.30
Calculus of bile duct with cholangitis, unspecified, without obstruction
BillableChapter 11 - K80.31
Calculus of bile duct with cholangitis, unspecified, with obstruction
BillableChapter 11 - K80.32
Calculus of bile duct with acute cholangitis without obstruction
BillableChapter 11 - K80.33
Calculus of bile duct with acute cholangitis with obstruction
BillableChapter 11 - K80.34
Calculus of bile duct with chronic cholangitis without obstruction
BillableChapter 11 - K80.35
Calculus of bile duct with chronic cholangitis with obstruction
BillableChapter 11 - K80.36
Calculus of bile duct with acute and chronic cholangitis without obstruction
BillableChapter 11 - K80.37
Calculus of bile duct with acute and chronic cholangitis with obstruction
BillableChapter 11 - K80.40
Calculus of bile duct with cholecystitis, unspecified, without obstruction
BillableChapter 11 - K80.41
Calculus of bile duct with cholecystitis, unspecified, with obstruction
BillableChapter 11 - K80.42
Calculus of bile duct with acute cholecystitis without obstruction
BillableChapter 11 - K80.43
Calculus of bile duct with acute cholecystitis with obstruction
BillableChapter 11 - K80.44
Calculus of bile duct with chronic cholecystitis without obstruction
BillableChapter 11 - K80.45
Calculus of bile duct with chronic cholecystitis with obstruction
BillableChapter 11 - K80.46
Calculus of bile duct with acute and chronic cholecystitis without obstruction
BillableChapter 11 - K80.47
Calculus of bile duct with acute and chronic cholecystitis with obstruction
BillableChapter 11 - K80.50
Calculus of bile duct without cholangitis or cholecystitis without obstruction
BillableChapter 11 - K80.51
Calculus of bile duct without cholangitis or cholecystitis with obstruction
BillableChapter 11 - K80.60
Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction
BillableChapter 11 - K80.61
Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction
BillableChapter 11 - K80.62
Calculus of gallbladder and bile duct with acute cholecystitis without obstruction
BillableChapter 11 - K80.63
Calculus of gallbladder and bile duct with acute cholecystitis with obstruction
BillableChapter 11 - K80.64
Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction
BillableChapter 11 - K80.65
Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction
BillableChapter 11 - K80.66
Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction
BillableChapter 11 - K80.67
Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction
BillableChapter 11 - K80.70
Calculus of gallbladder and bile duct without cholecystitis without obstruction
BillableChapter 11 - K80.71
Calculus of gallbladder and bile duct without cholecystitis with obstruction
BillableChapter 11 - K80.80
Other cholelithiasis without obstruction
BillableChapter 11 - K80.81
Other cholelithiasis with obstruction
BillableChapter 11 - K81.0
Acute cholecystitis
BillableChapter 11 - K81.1
Chronic cholecystitis
BillableChapter 11 - K81.2
Acute cholecystitis with chronic cholecystitis
BillableChapter 11 - K81.9
Cholecystitis, unspecified
BillableChapter 11 - K82.0
Obstruction of gallbladder
BillableChapter 11 - K82.1
Hydrops of gallbladder
BillableChapter 11 - K82.2
Perforation of gallbladder
BillableChapter 11 - K82.3
Fistula of gallbladder
BillableChapter 11 - K82.4
Cholesterolosis of gallbladder
BillableChapter 11 - K82.8
Other specified diseases of gallbladder
BillableChapter 11 - K82.9
Disease of gallbladder, unspecified
BillableChapter 11 - K82.A1
Gangrene of gallbladder in cholecystitis
BillableChapter 11 - K82.A2
Perforation of gallbladder in cholecystitis
BillableChapter 11 - K83.01
Primary sclerosing cholangitis
BillableChapter 11 - K83.09
Other cholangitis
BillableChapter 11 - K83.1
Obstruction of bile duct
BillableChapter 11 - K83.2
Perforation of bile duct
BillableChapter 11 - K83.3
Fistula of bile duct
BillableChapter 11 - K83.4
Spasm of sphincter of Oddi
BillableChapter 11 - K83.5
Biliary cyst
BillableChapter 11 - K83.8
Other specified diseases of biliary tract
BillableChapter 11 - K83.9
Disease of biliary tract, unspecified
BillableChapter 11 - K87
Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere
BillableChapter 11 - K91.5
Postcholecystectomy syndrome
BillableChapter 11 - Q44.2
Atresia of bile ducts
BillableChapter 17 - Q44.3
Congenital stenosis and stricture of bile ducts
BillableChapter 17 - R93.2
Abnormal findings on diagnostic imaging of liver and biliary tract
BillableChapter 18 - S36.122A
Contusion of gallbladder, initial encounter
BillableChapter 19 - S36.123A
Laceration of gallbladder, initial encounter
BillableChapter 19 - S36.128A
Other injury of gallbladder, initial encounter
BillableChapter 19 - S36.129A
Unspecified injury of gallbladder, initial encounter
BillableChapter 19 - S36.13XA
Injury of bile duct, initial encounter
BillableChapter 19
